ML20086D765
| ML20086D765 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 04/18/1973 |
| From: | Riley B VERMONT YANKEE NUCLEAR POWER CORP. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| Shared Package | |
| ML20086D757 | List: |
| References | |
| AO-73-10, VYV-2624, NUDOCS 8312050095 | |
| Download: ML20086D765 (2) | |
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e-I VF[IRMONT Y AhCEE NUCLEAR Powi@CORPOIC ATION
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W stvcury se ve u o n ovt v.v nt e.T IDJTL AND, Yl'E M O NT 05708 VYV-2624
- r. 9. von esi VERHON. VERMOM 05304 April 18, 1973
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United States At onic Energy Comincian Directorat e of Regulatory Operatiubs, Region 1 V70 troart Street Newark, Nov.let5.cy 07102
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RffERFEE : Operat ing 1.icense DPR-28
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Docket ?to. 5(>-2 71 C 'J.. 3 7.6 3
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Abnornel Occurrence No. A0 73-10 ContIcmen:
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As defined by Technical Specificatiuos f or the Vermnt Yanken
'p,[%:j Nuclear Power S t es t ion, Sect ion 6. 7. A.c, ve are repor t ing the following
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,.N.J 2g, Abnornisl occurrence as A&-7 3-10 and conf ir ming our telep5oac
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convercat ion wit h your of fice.
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At approximat ely 1500 hours0.0174 days <br />0.417 hours <br />0.00248 weeks <br />5.7075e-4 months <br /> un April 17. durinr. thn perf orvaance a
of Lhe Autwat ic Depresouritat ton Syr.t en "B" ingic Te et, the Relief
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Valve lof tiation Titc Dolny Relay (Ha. 2E-K5B) is11ed to actuate in
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i ruuired by Table 3.2.1 of Technical Specificatinnr..
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<120 s.ce nnd s.
an
.Yf'f**(I Th r-reactor 5 se operating at approximately 75% powr at the time of
.{.e'IW'j,.1 this occurre cc.
ks
'lhe relay was replaced and the replacerrnt v.u verified to operate 7
.,l in 5 20 suondo on required by Technient Rpecifications.
The original g
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relay previour.ly failed uurveillauce testing on 10/20/72 (Au-77-08).
Thir.
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incident 10 corrently under reviev, very truly yours.
VEILHONT YANKEE NUCLEAR POWER CORITRATION t
B.W.
Riley N
Plor t Superintendent BMB/kbd I
8312O50093 730420 PDR ADOCK 05000 S
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10 (' e, e s'iJ waar) shs t a ath me.sas mt Licensco:
Vermont" Yankee Nuclear Power Corp.
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J J. C. Keppler, no (2) eArt Dochet No.:
50-271 i
Abriornal Occurrence:
73-10 TO (rdarre and waitJ amat Ats htuaans l
y L RO:11Q (5)
DR Central Files (1)
The attached report from the subject licensee is
- r. Aic Regulatory Standards 3)
Dir. cf Licensing (13 fort.'arded in accordance trith RO Mnnunt Chanter 1000 10 (' dame ee a wa.:)
t.ig;s ts ht w r.as The action taken by the licensee is considered DATE appropriato.
Follovup tiill be performed during the next insnection as annronrinte.
Coni rt<: of p
I ftOF,1 (fetmo and unst) ftL M ARK 5 the report have bcon forwarded to the PDR, Local f
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A, PDR, NSIC, DTIE and Stato representativos. The D. L. Ca hton, RO:I licenscc will submit a 10 day written report to r.o.( M CATE f
4/19/73 Licensing;
!1 USE OThtm SILE FOR ADDITIC8eAL RLMAPF.5 CPO : 8911 O + een 4i
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